Face jaw exerciser is designed to improve the face tightening and lifting in a safe and natural way to unleash the true beauty of your face men or womenHow to Fit Your jaw exerciser1. To fit, first practice placing exerciser and get the feel for how wide you should open your mouth.2. Put jaw exerciser with biting strips in boiling water for 20-24 seconds.3. Remove jawline shaper from boiling water, shake off excess water, but don't wait too long to let it cool.4. Stick your thumbs through the hole, place and adjust jaw strengthener so you are biting down on bite strips.5. Bite down and hold for 15 seconds to customize the mouthpiece to the contours of your own mouth.6. Remove jaw workout ball from mouth and cool your imprints under cold water for a few seconds to permanently set imprints.The Benefits of jawline trainer- Chisel your jaw, Increase blood flow and oxygenation to the face for a youthful look- Reduce double chin, never look awkward in photos. Slim and tone the face for a defined profile at various angles- Activate 57+ muscles in the face, Reduce cravings by satisfying the desire to chew and eat. Increase metabolism to help you lose weight- Our facial product can also be used as neck, chin, lip, mouth exerciser and strengthener.How do I use?We recommend gentle training method to begin with STARTER model (40lbs resistance). Perform 3-5 sets with as many bite reps as comfortable (Don't overdo it!) Use every day if possible